{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["used for", "compare", "conjunction", "feature of"], "input": "Each action proposal corresponds to a temporal series of spatial bounding boxes , i.e. , a spatio-temporal video tube , which has a good potential to locate one human action ."}
{"used for": [{"subject": "spatio-temporal video tube", "object": "human action"}], "compare": [], "conjunction": [], "feature of": []}